Expression and Purification of an Influenza Hemagglutinin--one Step Closer to a Recombinant Protein-based Influenza Vaccine.
From: Protein Sciences Corporation, 1000 Research Parkway, Meriden, CT 06450, USA. kwang@proteinsciences.com
Vaccine
- Publish Date: Mar 2006
- ISSN: 0264-410X
- Volume: 24
- Issue: 12
- Pages: 2176-85
- Medium: Print
- Language: English
- Citation (JAMA): Wang Keyang, Holtz Kathleen M, Anderson Karl, et al. Expression and Purification of an Influenza Hemagglutinin--one Step Closer to a Recombinant Protein-based Influenza Vaccine.. Vaccine Mar 2006;24:2176-85
Abstract
Numerous human infections with avian influenza viruses in Asia in recent years have raised the concern that the next influenza pandemic is imminent. The most effective way to combat influenza is through the vaccination of the public. However, a minimum of 3-6 months is needed to develop an influenza vaccine using the traditional egg-based vaccine approach. The influenza hemagglutinin protein (HA), the active ingredient in the current vaccine, can be expressed in insect cells using the baculovirus expression vector system and purified rapidly. An influenza vaccine based on such a recombinant antigen allows a more timely response to a potential influenza pandemic. Here, we report an innovative monitoring assay for recombinant HA (rHA) expression and a rapid purification process. Various biochemical analyses indicate that the purified rHA is properly folded and biologically active.
Mesh Headings (Keywords): Animals, Baculoviridae, Gene Expression, Genetic Vectors, Hemagglutinin Glycoproteins, Influenza Virus, Influenza A virus, Influenza Vaccines, Recombinant Proteins, Vaccines, Synthetic
Check for Full Text / PubMed Unique Identifier (PMID): 16310896
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